Plan your project. Skip the guesswork.
Free DIY home improvement calculators that tell you exactly how much material you need — and what it'll cost — before you head to the store.
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Choose a calculator
21 free tools, organized by project type. Tap one, enter your measurements, and get an answer as you type.
Painting & Walls
2 toolsPaint, wallpaper, and wall-finish estimators.
Flooring & Tile
4 toolsFloors, tile, carpet, and everything underfoot.
Flooring Calculator
Estimate square footage and cost for any flooring type.
Open calculatorTile Calculator
Work out tiles needed and cost for any room.
Open calculatorCarpet Calculator
Estimate square yards and cost for new carpet.
Open calculatorGrout Calculator
Estimate how much grout your tile job needs.
Open calculatorOutdoor & Landscaping
8 toolsYards, gardens, driveways, and hardscapes.
Fence Calculator
Calculate panels, posts, and material cost for your fence.
Open calculatorMulch Calculator
Estimate cubic yards and cost for any garden bed.
Open calculatorGravel Calculator
Estimate cubic yards, tons, and cost of gravel.
Open calculatorGravel Driveway Calculator
Plan gravel for a new or topped-up driveway.
Open calculatorTopsoil Calculator
Estimate cubic yards of soil for beds and lawns.
Open calculatorSod Calculator
Estimate sod area, pallets, and cost for a new lawn.
Open calculatorPaver Calculator
Work out pavers needed for a patio or walkway.
Open calculatorSand Calculator
Estimate cubic yards and tons of sand for any job.
Open calculatorStructural & Materials
7 toolsFraming, drywall, concrete, and bulk materials.
Concrete Calculator
Estimate cubic yards, bags, and cost of concrete.
Open calculatorDrywall Calculator
Find out how many drywall sheets you need.
Open calculatorInsulation Calculator
Estimate insulation area and cost by R-value.
Open calculatorBrick Calculator
Calculate how many bricks your wall needs.
Open calculatorPlywood Calculator
Estimate 4x8 plywood sheets for any surface.
Open calculatorDeck Material Calculator
Estimate decking square footage and cost.
Open calculatorBaseboard & Trim Calculator
Estimate linear feet of baseboard and trim.
Open calculatorInstant answers
Results update live as you type — no buttons, no waiting.
Built for your phone
Fast and easy to use right in the aisle at the hardware store.
Always free
Every calculator is free to use with no account or login needed.